Right, just like the would-be Friendster and Myspace killers of the past. It's like, do I really want to be using AIM in the 21st century? No, but if I wanna communicate and trade music with other producers, that's what they're all using.
Predicting the mass movements of internet people has never been an exact science tho, has it? Oh, we're moving to Digg; oh, now Digg sucks, we're moving to Reddit...etcetc